Finding the Third Proportional to 18,641,448 and 39,873,681
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Solution
The third proportional to 18,641,448 and 39,873,681 is: 85,288,998.82
Step by Step Solution
- Step 1: Write the proportion equation
18,641,448 : 39,873,681 = 39,873,681 : x - Step 2: Convert to fraction form
18,641,448/39,873,681 = 39,873,681/x - Step 3: Cross multiply
18,641,448x = 39,873,681 × 39,873,681 - Step 4: Simplify right side
18,641,448x = 1,589,910,436,489,761 - Step 5: Solve for x
x = 1,589,910,436,489,761/18,641,448 - Step 6: Final answer
x = 85,288,998.82
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.